We bring you the best CARL SAGAN QUOTES on the internet to inspire you to be great.


33 Carl Sagan Quotes: Gems of Wisdom to Inspire Greatness


1. “The universe is not required to be in perfect harmony with human ambition.” — CARL SAGAN

“For small creatures such as we the vastness is bearable only through love.” — CARL SAGAN


3. “There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand the world. There is no such thing as a dumb question.” — CARL SAGAN

4. “Frederick Douglass taught that literacy is the path from slavery to freedom. There are many kinds of slavery and many kinds of freedom, but reading is still the path.” — CARL SAGAN


5. “One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.” — CARL SAGAN


“Imagination will often carry us to worlds that never were, but without it we go nowhere.” — CARL SAGAN



7. “There are in fact 100 billion galaxies, each of which contains something like 100 billion stars. Think of how many stars, and planets, and kinds of life there may be in this vast and awesome universe.” — CARL SAGAN


8. “We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.” — CARL SAGAN


9. “One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.” — CARL SAGAN


10. “The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.” — CARL SAGAN


11. “The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.” — CARL SAGAN


12. “It pays to keep an open mind, but not so open your brains fall out.” — CARL SAGAN


“The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.” — CARL SAGAN


14. “Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?” — CARL SAGAN


“The absence of evidence is not the evidence of absence.” — CARL SAGAN


16. “Science is not perfect. It’s often misused; it’s only a tool, but it’s the best tool we have. Self-correcting , ever changing, applicable to everything: with this tool, we vanquish the impossible.” — CARL SAGAN


17.  “Science is not only compatible with spirituality; it is a profound source of spirituality.” — CARL SAGAN


18. “The Hindu religion is the only one of the world’s great faiths dedicated to the idea that the Cosmos itself undergoes an immense, indeed an infinite, number of deaths and rebirths. It is the only religion in which the time scales correspond to those of modern scientific cosmology. Its cycles run from our ordinary day and night to a day and night of Brahma, 8.64 billion years long. Longer than the age of the Earth or the Sun and about half the time since the Big Bang.” — CARL SAGAN


19. “The universe is a pretty big place. If it’s just us, seems like an awful waste of space.” — CARL SAGAN


20. “After the earth dies, some 5 billion years from now, after it’s burned to a crisp, or even swallowed by the Sun, there will be other worlds and stars and galaxies coming into being – and they will know nothing of a place once called Earth.” — CARL SAGAN


“You have to know the past to understand the present.” — CARL SAGAN


22. “Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.” — CARL SAGAN


23. “I don’t want to believe. I want to know.” — CARL SAGAN


24. “But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.” — CARL SAGAN


25. “If you wish to make an apple pie from scratch, you must first invent the universe.” — CARL SAGAN


26. “You’re an interesting species. An interesting mix. You’re capable of such beautiful dreams, and such horrible nightmares. You feel so lost, so cut off, so alone, only you’re not. See, in all our searching, the only thing we’ve found that makes the emptiness bearable, is each other.” — CARL SAGAN


“Science is a way to not fool ourselves.” — CARL SAGAN



28. “I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But as much as I want to believe that, and despite the ancient and worldwide cultural traditions that assert an afterlife, I know of nothing to suggest that it is more than wishful thinking.” — CARL SAGAN


29. “Science is a way of thinking much more than it is a body of knowledge.” — CARL SAGAN


30. “Be grateful every day for the brief but magnificent opportunity that life provides.” — CARL SAGAN


“Extraordinary claims require extraordinary evidence.” — CARL SAGAN


32. “You can’t convince a believer of anything; for their belief is not based on evidence, it’s based on a deep-seated need to believe.” — CARL SAGAN


33. “Extinction is the rule. Survival is the exception.” — CARL SAGAN


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